As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THRU 12,000 FT A/P KICKED OFF WITH ELEVATOR TRIM FAULT AND WINDSHEAR INOPERATIVE LIGHT CA SIDE FD ALSO FAILED. PFD AND ND ALSO FLICKERED AND CAME BACK WITH AN ALT FLG. AIR RETURN TO DTW. MAINTENANCE REMOVED AND REPLACED DFGC, OP CHECKS GOOD. P/N ON/OFF 4068300-904, S/N ON 98040314, S/N OFF 96080249, ALL CHECKS GOOD IAW RJ MM.